diff --git a/Dockerfile b/Dockerfile
index a8657ac86d323a023f9ae7b98265fc33cbc9df5f..3dc9d862fa1eba327ddc0028aa3f8391b302614c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@
 # IN THE SOFTWARE.
 
 
-FROM registry.conarx.tech/containers/postgresql/3.20 as tsbuilder-base
+FROM registry.conarx.tech/containers/postgresql/3.21 as tsbuilder-base
 
 ENV POSTGRESQL_VER=17.2
 
@@ -111,7 +111,7 @@ RUN set -eux; \
 
 
 
-FROM registry.conarx.tech/containers/postgresql/3.20
+FROM registry.conarx.tech/containers/postgresql/3.21
 
 
 # NK: Versions are reverse ordered so newer ones overwrite data from older ones
@@ -120,8 +120,8 @@ COPY --from=tsbuilder-2.17.2 /build/timescaledb-root /
 
 ARG VERSION_INFO=
 LABEL org.opencontainers.image.authors   = "Nigel Kukard <nkukard@conarx.tech>"
-LABEL org.opencontainers.image.version   = "3.20"
-LABEL org.opencontainers.image.base.name = "registry.conarx.tech/containers/postgresql/3.20"
+LABEL org.opencontainers.image.version   = "3.21"
+LABEL org.opencontainers.image.base.name = "registry.conarx.tech/containers/postgresql/3.21"
 
 
 RUN set -eux; \